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[D7937ZCH], Letter from U.S. Signal Corps to Thomas Alva Edison, August 25th, 1879

Title: [D7937ZCH], Letter from U.S. Signal Corps to Thomas Alva Edison, August 25th, 1879
Editor's Notes: Acknowledges safe receipt of carbon buttons.
Author: U.S. Signal Corps
Recipient: Edison, Thomas Alva
Date: 1879-08-25
Type: Letter
Subject: Carbon, coal, glass, ceramics; Telephone
Folder ID: D7937-F
Microfilm ID: 52:101
Document ID: D7937ZCH
URL: https://edisondigital.rutgers.edu/document/D7937ZCH
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 52